sdcard: Initial support for SD cards on PCI SDHCI controllers on QEMU

This adds basic read/write support for SD cards emulated by QEMU.
This code is not expected to work on real hardware, because the
current controller and card initialization is not robust.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
7 files changed
tree: cc0ef6f181fb63440eb0d38c5f0ffdcfb50535f0
  1. .gitignore
  2. COPYING
  3. COPYING.LESSER
  4. Makefile
  5. README
  6. scripts/
  7. src/
  8. vgasrc/